21878038

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120209}}^1$

素因数の和:120231

約数の個数: 16

約数和(自身を含む): 40390560

約数和(自身を除く): 18512522

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 120209, 240418, 841463, 1562717, 1682926, 3125434, 10939019, 21878038]

約数ペア:

[(1, 21878038), (2, 10939019), (7, 3125434), (13, 1682926), (14, 1562717), (26, 841463), (91, 240418), (182, 120209)]